const puzzles = []
// 1. 17 提示数
puzzles.push([
  [0, 0, 0, 0, 0, 0, 0, 0, 0],
  [1, 6, 0, 0, 5, 0, 0, 0, 0],
  [4, 0, 0, 0, 0, 0, 2, 9, 0],
  [0, 0, 0, 2, 0, 9, 0, 0, 0],
  [8, 0, 0, 0, 0, 0, 3, 0, 1],
  [0, 0, 0, 7, 0, 0, 0, 0, 0],
  [0, 0, 2, 0, 0, 0, 0, 0, 0],
  [0, 0, 0, 0, 0, 4, 0, 0, 0],
  [0, 0, 7, 0, 3, 0, 0, 0, 5]
])
// 2. 17 提示数
puzzles.push([
  [0, 0, 0, 0, 0, 0, 0, 1, 5],
  [4, 3, 7, 0, 6, 0, 0, 0, 0],
  [0, 0, 0, 0, 0, 0, 0, 0, 0],
  [0, 1, 0, 0, 0, 0, 0, 0, 0],
  [6, 0, 0, 0, 4, 0, 7, 0, 0],
  [3, 0, 0, 9, 0, 0, 0, 0, 0],
  [0, 0, 0, 0, 0, 0, 4, 0, 0],
  [0, 0, 0, 2, 0, 0, 0, 0, 0],
  [0, 9, 0, 5, 0, 1, 0, 0, 0]
])
// 3. 17 提示数
puzzles.push([
  [3, 0, 0, 0, 0, 0, 0, 2, 0],
  [0, 5, 0, 0, 0, 1, 0, 0, 0],
  [0, 0, 0, 0, 0, 0, 0, 0, 0],
  [5, 1, 9, 0, 0, 0, 0, 0, 0],
  [0, 0, 0, 8, 7, 0, 0, 0, 0],
  [0, 0, 4, 0, 0, 0, 0, 0, 0],
  [7, 0, 0, 6, 2, 0, 0, 0, 0],
  [0, 0, 0, 3, 0, 0, 4, 0, 5],
  [0, 0, 0, 0, 0, 0, 1, 0, 0]
])
// 4. 17 提示数
puzzles.push([
  [6, 0, 0, 0, 5, 0, 4, 0, 0],
  [0, 0, 0, 2, 0, 0, 7, 0, 5],
  [8, 0, 0, 0, 0, 0, 0, 0, 0],
  [3, 0, 0, 0, 0, 0, 0, 8, 0],
  [0, 0, 0, 7, 4, 0, 0, 0, 0],
  [0, 0, 0, 0, 0, 0, 0, 1, 0],
  [0, 7, 0, 0, 0, 0, 2, 0, 0],
  [0, 0, 0, 3, 0, 6, 0, 0, 0],
  [0, 0, 0, 0, 0, 8, 0, 0, 0]
])
// 5. 17 提示数
puzzles.push([
  [0, 0, 0, 1, 0, 0, 0, 4, 0],
  [6, 0, 0, 0, 0, 0, 0, 0, 0],
  [0, 0, 0, 0, 3, 0, 0, 0, 0],
  [3, 0, 6, 0, 0, 0, 0, 0, 5],
  [0, 0, 0, 0, 0, 1, 0, 2, 0],
  [8, 0, 0, 4, 0, 0, 0, 0, 0],
  [0, 0, 0, 0, 5, 0, 8, 0, 6],
  [0, 1, 0, 7, 0, 0, 0, 0, 0],
  [0, 0, 0, 0, 0, 0, 3, 0, 0]
])
// 6. 21 提示数
puzzles.push([
  [8, 0, 0, 0, 0, 0, 0, 0, 0],
  [0, 0, 3, 6, 0, 0, 0, 0, 0],
  [0, 7, 0, 0, 9, 0, 2, 0, 0],
  [0, 5, 0, 0, 0, 7, 0, 0, 0],
  [0, 0, 0, 0, 4, 5, 7, 0, 0],
  [0, 0, 0, 1, 0, 0, 0, 3, 0],
  [0, 0, 1, 0, 0, 0, 0, 6, 8],
  [0, 0, 8, 5, 0, 0, 0, 1, 0],
  [0, 9, 0, 0, 0, 0, 4, 0, 0]
])